<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="https://cdn.jsdelivr.net/npm/vue"></script>
</head>
<body>
<div id="vue">
    单行文本：<input type="text" v-model="message"/> 单行文本是：{{message}}
</div>

<script type="text/javascript">
    var vm = new Vue({
        el: '#vue',
        data: {
            message: 'Hello Vue!'
        }
    });
</script>
</body>
</html>